If the Sum of the External Torques Acting on an Isolated

question 65

Multiple Choice

If the sum of the external torques acting on an isolated system of particles is zero,it must be true that

• A)the system can have no kinetic energy.
• B)the angular momentum of the system does not change.
• C)the system can have no angular velocity.
• D)the system can have no linear velocity.
• E)the angular momentum of the system must be continually decreasing.

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Definitions:

Administrative Expenses

Costs related to the general operation of a company, such as executive salaries, office supplies, and legal fees.

High-low Method

A technique used in cost accounting to estimate variable and fixed costs based on the highest and lowest levels of activity during a period.

Contribution Margin

The amount by which the sale of a product exceeds its variable costs, indicating how much contributes towards covering fixed costs and generating profit.

Monthly Fixed Manufacturing Cost

Regular, unchanging costs incurred by a manufacturing facility each month regardless of the volume of production, such as rent, salaries, and insurance.